plant ヒイラギナンテン・ホソバヒイラギナンテン・ナリヒラヒイラギナンテンの違いは？似た種類の見分け方を解説！
ヒイラギナンテン・ホソバヒイラギナンテン・ナリヒラヒイラギナンテンはいずれもメギ科メギ属に含まれ、針状の粗い鋸歯がある奇数羽状複葉を持ち、育てやすいことから頻繁に観賞用に栽培されています。しかし、3種をきちんと区別できている人は少ないかもし...
Living things
plant 
plant What are the differences between poppies, common poppies, and long-headed poppies? How do they differ from Icelandic poppies? We'll explain how to distinguish between similar species! Did humans themselves evolve the "Devil Fruit," which has both significant merits and demerits?
Poppies, including the common poppy, thick-flowered poppy, and long-headed poppy, all belong to the genus Papaver in the family Papaveraceae and are collectively known as poppies. They are very popular as ornamental plants due to their beautiful, large single flowers and are widely cultivated. However, despite being poisonous and prone to naturalization, they are difficult to identify...
plant シラカンバ（シラカバ）・ダケカンバ・ウダイカンバの違いは？似た種類の見分け方を解説
シラカンバ（シラカバ）・ダケカンバ・ウダイカンバはいずれもカバノキ科カバノキ属に含まれ、寒い地域や高山では身近な落葉高木です。葉の側脈が直線的で並行に並び、細かい鋸歯があるの共通点で、日本人・アイヌの間で様々な用途で広く利用されてきましたが...
animal What is the role of the strangely enlarged final legs of the *Centipede* species? Could they be a secret weapon for aggressively defending against predators?!
The term "female centipedes" refers to a group of centipedes belonging to the genus *Scylla* in the family Scolopendridae, order Scolopendromorpha. These centipedes are burrowing and rarely seen by the average person, but their most striking feature is their strangely enlarged final gait. While there have been various theories regarding the function of this final gait,...
animal トワダオオカは綺麗なだけでなく「蚊を食べる蚊」だった！？生息環境も何もかも特殊な蚊の謎に迫る
皆さんは蚊といえば、いずれも血を吸う仲間で夏になるととても鬱陶しいと感じる存在かもしれません。しかし、日本には血を全く吸わない蚊が知られています。トワダオオカは成虫では血を吸わず無害で、日本で一番大きくとても美しい見た目をしており、それだけ...
animal カギバラアリは「虫の卵」だけを食べる蟻だった！？「鉤」状のお腹の謎に迫る！
皆さんはアリと聴くと「黒くて地表を這い回る虫」というイメージを持つかもしれません。しかし実は地中にはたくさんの知られていないアリの種類が存在し、中でもカギバラアリ類やダルマアリ類は腹部が鉤状になるという極めて特殊な形をしています。見た目が面...
plant What are the differences between morning glories, round-leaved morning glories, wild morning glories, and American morning glories? We'll explain how to distinguish between similar varieties! The origins of Japanese morning glories are shrouded in mystery!?
Morning glories (Ipomoea nil), round-leaved morning glories, wild morning glories, and American morning glories all belong to the Ipomoea genus of the Convolvulaceae family. Among the varieties with "morning glory" in their name, they are particularly popular for their large corolla diameter (over 3 cm) and are widely cultivated as ornamental plants. While they are very popular, there is considerable individual variation between varieties...
plant What are the differences between Barnyard Grass (Paspalum erythrostictum), Striped Barnyard Grass (Paspalum erythrostictum), Upright Barnyard Grass (Paspalum erythrostictum), and American Barnyard Grass (Paspalum erythrostictum)? An explanation of how to distinguish between similar species.
Barnyard grass, striped barnyard grass, upright barnyard grass, and American barnyard grass are all perennial grasses belonging to the genus Barnyard grass in the grass family Poaceae, and are commonly found as weeds in a wide range of areas from urban areas to farmlands. Their most distinctive feature is their flat, nearly circular to oval-shaped spikelets...
plant ヒエガエリとハマヒエガエリの違いは？似た種類の見分け方を解説
ヒエガエリとハマヒエガエリはいずれもイネ科ヒエガエリ属に含まれる雑草です。地味な雑草で基本的には水辺を好みますが、路肩などでも見かけることがあります。円錐花序と小穂にある「芒のぎ」が特徴ですが、2種の区別がつかないという人もいるかもしれませ...
plant オヒシバ・メヒシバ・コメヒシバの違いは？似た種類の見分け方を解説
オヒシバ・メヒシバ・コメヒシバはいずれもイネ科に含まれ、夏～秋になると都市部～農村部のあらゆる場所で生えているのを確認できるようになる極めて一般的な草本・雑草です。最も大きな共通点は「総そう」と呼ばれる総状花序を数本つける点です。名前の似て...